MC Enterprise 36160 Dometic Atwood RV Furnace Air Flow Sail Switch

This is a replacement sail switch for select Atwood AFS Series and DFS Series Furnaces. The sail switch is an air proving device. It is a safety component that will not let ignition occur until it sees 75% of the motor’s rpm’s. It ensures that the combustion wheel is rotating fast enough so that there is a proper air and gas mixture for smooth ignition.

When the paddle of the switch is depressed, there should be continuity through the switch. If a sail switch needs to be replaced, it should be replaced with the exact same size. The most common problems with these switches are bent paddles, loose wire connections or an obstruction between the paddle and switch contact.

Dometic Atwood Furnaces with Serial Numbers AFTER 72498929: AFSAD12111, AFSD12111, AFSD16111, AFSD20111, AFSDA12121, AFSAD12121, AFSD16121, AFSD20121 AFSAD12131, AFSD12131, AFSD16131, AFSD20131 AFSAD12141, AFSD12141, AFSD16141, AFSD20141, AFMD16111, AFMD16121, AFMD16131, AFMD16141, AFMD16151, AFMD20111, AFMD20121, AFMD20131, AFMD20141, AFMD20151

Dometic Atwood Furnace DFSD Series with Serial Numbers AFTER 72498929: DFSD12111, DFSD12121, DFSD12131, DFSD12141, DFSD12151, DFSD16111, DFSD16121, DFSD16131, DFSD16141, DFSD16151, DFSD20111, DFSD20121, DFSD20131, DFSD20141, DFSD20151

Replacement for: 33081